small css tweak. #929

select2.css

@@ -336,6 +336,7 @@ Version: @@ver@@ Timestamp: @@timestamp@@
 
 .select2-results ul.select2-result-sub {
     margin: 0;
+    padding-left: 0;
 }
 
 .select2-results ul.select2-result-sub > li .select2-result-label { padding-left: 20px }